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-rw-r--r--dpdk/dpdk-16.04_patches/0015-ENIC-counter-improvement.patch165
1 files changed, 0 insertions, 165 deletions
diff --git a/dpdk/dpdk-16.04_patches/0015-ENIC-counter-improvement.patch b/dpdk/dpdk-16.04_patches/0015-ENIC-counter-improvement.patch
deleted file mode 100644
index 721fd107c6f..00000000000
--- a/dpdk/dpdk-16.04_patches/0015-ENIC-counter-improvement.patch
+++ /dev/null
@@ -1,165 +0,0 @@
-From 30a3d6e23880094edfc51b49b11099c8b8bfa8cd Mon Sep 17 00:00:00 2001
-From: John Lo <loj@cisco.com>
-Date: Tue, 7 Jun 2016 12:36:23 +0200
-Subject: [PATCH 15/17] ENIC counter improvement
-
----
- drivers/net/enic/enic.h | 7 +++++++
- drivers/net/enic/enic_main.c | 38 ++++++++++++++++++++++++++++++++++----
- drivers/net/enic/enic_rxtx.c | 15 +++++++--------
- 3 files changed, 48 insertions(+), 12 deletions(-)
-
-diff --git a/drivers/net/enic/enic.h b/drivers/net/enic/enic.h
-index 43b82a6..7c1b5c9 100644
---- a/drivers/net/enic/enic.h
-+++ b/drivers/net/enic/enic.h
-@@ -91,6 +91,11 @@ struct enic_fdir {
- struct enic_fdir_node *nodes[ENICPMD_FDIR_MAX];
- };
-
-+struct enic_soft_stats {
-+ rte_atomic64_t rx_nombuf;
-+ rte_atomic64_t rx_packet_errors;
-+};
-+
- /* Per-instance private data structure */
- struct enic {
- struct enic *next;
-@@ -133,6 +138,8 @@ struct enic {
- /* interrupt resource */
- struct vnic_intr intr;
- unsigned int intr_count;
-+
-+ struct enic_soft_stats soft_stats;
- };
-
- static inline unsigned int enic_cq_rq(__rte_unused struct enic *enic, unsigned int rq)
-diff --git a/drivers/net/enic/enic_main.c b/drivers/net/enic/enic_main.c
-index 9bfdec1..a00565a 100644
---- a/drivers/net/enic/enic_main.c
-+++ b/drivers/net/enic/enic_main.c
-@@ -142,22 +142,51 @@ static void enic_log_q_error(struct enic *enic)
- }
-
-
-+static void enic_clear_soft_stats(struct enic *enic)
-+{
-+ struct enic_soft_stats *soft_stats = &enic->soft_stats;
-+ rte_atomic64_clear(&soft_stats->rx_nombuf);
-+ rte_atomic64_clear(&soft_stats->rx_packet_errors);
-+}
-+
-+static void enic_init_soft_stats(struct enic *enic)
-+{
-+ struct enic_soft_stats *soft_stats = &enic->soft_stats;
-+ rte_atomic64_init(&soft_stats->rx_nombuf);
-+ rte_atomic64_init(&soft_stats->rx_packet_errors);
-+ enic_clear_soft_stats(enic);
-+}
-+
- void enic_dev_stats_clear(struct enic *enic)
- {
- if (vnic_dev_stats_clear(enic->vdev))
- dev_err(enic, "Error in clearing stats\n");
-+ enic_clear_soft_stats(enic);
- }
-
- void enic_dev_stats_get(struct enic *enic, struct rte_eth_stats *r_stats)
- {
- struct vnic_stats *stats;
-+ struct enic_soft_stats *soft_stats = &enic->soft_stats;
-+ int64_t rx_truncated;
-+ uint64_t rx_packet_errors;
-
- if (vnic_dev_stats_dump(enic->vdev, &stats)) {
- dev_err(enic, "Error in getting stats\n");
- return;
- }
-
-- r_stats->ipackets = stats->rx.rx_frames_ok;
-+ /* The number of truncated packets can only be calculated by
-+ * subtracting a hardware counter from error packets received by
-+ * the driver. Note: this causes transient inaccuracies in the
-+ * ipackets count. Also, the length of truncated packets are
-+ * counted in ibytes even though truncated packets are dropped
-+ * which can make ibytes be slightly higher than it should be.
-+ */
-+ rx_packet_errors = rte_atomic64_read(&soft_stats->rx_packet_errors);
-+ rx_truncated = rx_packet_errors - stats->rx.rx_errors;
-+
-+ r_stats->ipackets = stats->rx.rx_frames_ok - rx_truncated;
- r_stats->opackets = stats->tx.tx_frames_ok;
-
- r_stats->ibytes = stats->rx.rx_bytes_ok;
-@@ -166,10 +195,9 @@ void enic_dev_stats_get(struct enic *enic, struct rte_eth_stats *r_stats)
- r_stats->ierrors = stats->rx.rx_errors + stats->rx.rx_drop;
- r_stats->oerrors = stats->tx.tx_errors;
-
-- r_stats->imissed = stats->rx.rx_no_bufs;
-+ r_stats->imissed = stats->rx.rx_no_bufs + rx_truncated;
-
-- r_stats->imcasts = stats->rx.rx_multicast_frames_ok;
-- r_stats->rx_nombuf = stats->rx.rx_no_bufs;
-+ r_stats->rx_nombuf = rte_atomic64_read(&soft_stats->rx_nombuf);
- }
-
- void enic_del_mac_address(struct enic *enic)
-@@ -755,6 +783,8 @@ int enic_setup_finish(struct enic *enic)
- {
- int ret;
-
-+ enic_init_soft_stats(enic);
-+
- ret = enic_set_rss_nic_cfg(enic);
- if (ret) {
- dev_err(enic, "Failed to config nic, aborting.\n");
-diff --git a/drivers/net/enic/enic_rxtx.c b/drivers/net/enic/enic_rxtx.c
-index 138dfb8..174486b 100644
---- a/drivers/net/enic/enic_rxtx.c
-+++ b/drivers/net/enic/enic_rxtx.c
-@@ -251,6 +251,7 @@ enic_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
- struct vnic_cq *cq;
- volatile struct cq_desc *cqd_ptr;
- uint8_t color;
-+ uint16_t nb_err = 0;
-
- cq = &enic->cq[enic_cq_rq(enic, rq->index)];
- rx_id = cq->to_clean; /* index of cqd, rqd, mbuf_table */
-@@ -278,10 +279,7 @@ enic_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
- /* allocate a new mbuf */
- nmb = rte_rxmbuf_alloc(rq->mp);
- if (nmb == NULL) {
-- dev_err(enic, "RX mbuf alloc failed port=%u qid=%u",
-- enic->port_id, (unsigned)rq->index);
-- rte_eth_devices[enic->port_id].
-- data->rx_mbuf_alloc_failed++;
-+ rte_atomic64_inc(&enic->soft_stats.rx_nombuf);
- break;
- }
-
-@@ -323,9 +321,10 @@ enic_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
- rxmb->packet_type = enic_cq_rx_flags_to_pkt_type(&cqd);
- enic_cq_rx_to_pkt_flags(&cqd, rxmb);
- } else {
-- rxmb->pkt_len = 0;
-- rxmb->packet_type = 0;
-- rxmb->ol_flags = 0;
-+ rte_pktmbuf_free(rxmb);
-+ rte_atomic64_inc(&enic->soft_stats.rx_packet_errors);
-+ nb_err++;
-+ continue;
- }
- rxmb->data_len = rxmb->pkt_len;
-
-@@ -337,7 +336,7 @@ enic_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
- rx_pkts[nb_rx++] = rxmb;
- }
-
-- nb_hold += nb_rx;
-+ nb_hold += nb_rx + nb_err;
- cq->to_clean = rx_id;
-
- if (nb_hold > rq->rx_free_thresh) {
---
-2.7.4
-